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#131
11-12-2021, 11:16 PM
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If you found any that read not OL that's the job you were tasked to perform. It sounded like it would be an upstream sensor maybe melted to exhaust manifold. You are very close to solution.
__________________
2011 E70 • N55 (me) 2012 E70 • N63 (wife) 
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#132
11-15-2021, 03:53 PM
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Dreaded trans. Failsafe prog.
Ok, progress. As expected/predicted when I pulled back the sheath on the bank one, upstream O2 part of the 4 wires were fused and shorted (likely got too close to the exhaust manifold. Gonna butt splice all 4 wires or figure out some way to peal them apart without breaking them, reassemble the rest and hope that ends the ordeal. I’ll post back after I get there, probably inspect bank two to be sure that aren’t suffering similar fate.
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Last edited by Oldmactech; 11-15-2021 at 04:02 PM.
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#133
11-15-2021, 03:59 PM
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Yep, that'll cause a short. Nice you found it in what looks to be a serviceable space.
__________________
2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)
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#134
11-15-2021, 04:04 PM
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Lucky about that, kinda right in front of me. Might solder splice and heat shrink so I can hide my handiwork under the sheath…..
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#135
11-15-2021, 05:18 PM
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Use these.
https://americanclipsandconnectors.c...r-sleeves-blue Makes for a clean repair. Then heat shrink over that.
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#137
11-15-2021, 05:44 PM
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Quote:
__________________
2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)
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#138
11-15-2021, 06:02 PM
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They were sorta melted together so when I separated them they distorted. Right in the area that could have laid on the exhaust.
These are .5mm wires, I will replace most of the red/ws and splice a few inches of the 3 others. The parts stores near me have 18 gauge that is slightly larger than .5mm. I have some salvage parts from an e46 with .5 mm wire for the yellow, black and brown wires( not the same colors but wouldn’t think it would matter) but will be running at least 2 feet of red wire to 12v. Will 18 gauge work instead of .5mm? Sent from my iPad using Tapatalk
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#139
11-15-2021, 06:07 PM
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Is there not enough slack to just splice them together again? There is usually a good amount of length on the O2 sensor side. Reason I say this is that 1 splice is better than 2
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#140
11-15-2021, 06:39 PM
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Thought about that, I need to get a closer look for damage. Concerned that an O2 wire needs to be stout or the readings will be off and cause a CEL.
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